Imidazole Powder from Canada
Imidazole is a five-membered aromatic heterocycle containing two nitrogen atoms, used as a building block in pharmaceuticals and antifungals. Classified in HTS 2933.99.82 as other aromatic nitrogen heterocyclic compounds. Common intermediate in API synthesis.
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Specify 99%+ purity to maintain chemical compound status; DMF filing for drug intermediates; avoid bulk packaging that suggests mixtures